CN212345034U

CN212345034U - Motor-driven trawl fishing device

Info

Publication number: CN212345034U
Application number: CN202020853651.6U
Authority: CN
Inventors: 杨国荣; 杨春波; 杨甜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-15
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a flexible trawl fishing device that encloses relates to fishing device technical field, the utility model discloses a fishing net, fishing net bottom are provided with a plurality of balancing weights, and the fishing net top is provided with a plurality of first floats, and the fishing net top is provided with the first net rope of receiving of all first floats of series connection, and the first net rope both ends of receiving extend the fishing net both ends respectively, and the fishing net middle zone is provided with the second and receives the net rope, and the second is received net rope both ends and is extended the fishing net both ends respectively, the utility model has the advantages of can avoid the balancing weight to drag into silt when receiving the net to prevent that the shoal from walking, improve the capture rate.

Description

Motor-driven trawl fishing device

Technical Field

The utility model relates to a fishing device technical field, concretely relates to flexibly enclose trawl fishing device.

Background

The net for fishery production includes trawl, purse net, fixed net, net cage, etc. The trawl and the purse net are heavy nets for fishing in marine fishery. The size of the net mesh is 2.5-5 cm, the diameter of the net rope is about 2 mm, the net weight is several tons or even tens tons, and a pair of tugboats are usually used for separately pulling and chasing fish groups or a lamplight boat is used for luring the fish groups to be concentrated and enclosed. The net is a light net for fishing in rivers and lakes, the mesh size is 1-3 cm, the diameter of the net rope is about 0.8 mm, and the weight of the net is several kilograms. The fixed nets and the net cages are artificial culture fixed nets in lakes and reservoirs or bays, the sizes and the specifications are different according to the cultured fishes, and the fishes are enclosed in a certain water area for culture without escaping.

The trawl is one of the moving nets used by fishermen, and consists of six parts, namely a wing net, a back net, an abdominal net, a side net, a triangular net and a sac net, which are divided according to the parts of the nets. Among the prior art, trawl structure is fairly simple, when needing to receive the net, through the receipts net rope that the pulling is established ties all floats and is made the fishing net dwindle gradually to enclose the shoal of fish and catch, the fishing net bottom generally is provided with a plurality of plumbous feet, plays the counter weight effect, makes the fishing net can the perpendicular to level open, makes plumbous foot drag silt into easily when receiving the net, makes the shoal of fish receive the frightening and walk from the lower extreme easily when plumbous foot pulls silt, and the capture rate is not high, therefore this kind of fishing net still remains to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor-driven trawl fishing device that encloses solves current trawl structure simple, makes the plumbous foot drag into silt easily when receiving the net, makes the shoal of fish receive the frightening and walk from the lower extreme easily when plumbous foot stimulates silt, leads to the not high technical problem of capture rate.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a motor-driven trawl fishing device that encloses, includes the fishing net, and the fishing net bottom is provided with a plurality of balancing weights, and the fishing net top is provided with a plurality of first floats, and the fishing net top is provided with the first net rope of receiving of all first floats of establishing ties, and first net rope both ends of receiving extend the fishing net both ends respectively, and the fishing net middle zone is provided with the second and receives the net rope, and the second is received net rope both ends and is extended the fishing net both ends respectively.

According to a further technical scheme, a plurality of sectional ropes are arranged on the fishing net, one ends of the sectional ropes are connected with the second net retracting ropes, and the other ends of the sectional ropes are connected with the corresponding first floats.

A further technical scheme is that a fish cage is arranged at the top end of the fishing net and used for containing fish schools.

A further technical scheme is that the fish cage comprises a net cage connected with a fishing net, a support frame is arranged on the inner wall of the net cage and used for opening the net cage, an opening is formed in the connecting position of the net cage and the fishing net, a funnel-shaped net barrel connected with the opening is arranged in the net cage, and the large end of the funnel-shaped net barrel is connected with the opening of the fishing net.

A further technical scheme is that a plurality of second floats are arranged on the top surface of the reticular cage.

The further technical proposal is that the balancing weight is a lead block.

The first net rope winding device comprises a first net rope winding mechanism, a second net rope winding mechanism and two winches, wherein the first net rope winding mechanism and the second net rope winding mechanism are arranged on the same end of the first net rope winding mechanism.

According to a further technical scheme, the winch comprises a main machine, two winding shafts capable of rotating forwards and backwards are arranged on the main machine, and the first net winding rope and the second net winding rope are wound on the corresponding winding shafts respectively.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

1. when receiving the net to the fishing net, the net rope is received to the first net rope of receiving and the second of pulling both ends simultaneously, owing to compare prior art and increased a second and receive the net rope, the balancing weight that the net rope can effectively drive the fishing net bottom is received to the pulling second when receiving the net moves thereupon, avoids being absorbed in the silt to make the shoal of fish receive the frightening and follow the lower extreme and walk when avoiding pulling silt, guarantee the capture rate.

2. Because the sectional ropes vertically connected with the second net collecting ropes are arranged, the net can be collected in a sectional mode according to the principle of how many fishes need to be taken when the net is collected, and the rest of fish schools can be used for enclosure culture, so that a certain ecological protection effect is achieved.

3. The fishing net is also provided with a fish cage, so that a fish shoal can be enclosed into the fish cage when the net is collected for enclosure, then the fish is caught through the fish cage, the fish can be prevented from being injured, and the freshness of the fish is ensured.

4. When the net is collected, the winch replaces manpower to pull the net, so that the automation degree is high, and manpower is saved.

Drawings

Fig. 1 is a schematic structural view of the mobile trawl fishing device of the utility model.

Fig. 2 is a schematic structural view of the fishing net of the present invention when it is deployed.

Fig. 3 is a schematic structural view of the fish cage of the present invention.

Icon: 1-fishing net; 2-a balancing weight; 3-a first buoy; 4-a first net retracting rope; 5-a second net retracting rope; 6-a segmented rope; 7-fish cages; 7.1-mesh cage; 7.2-bracing frame; 7.3-funnel-shaped net cylinder; 8-second buoy; 9-a winch; 9.1-host computer; 9.2-winding shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a number" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1 to 3, the present embodiment provides a mobile enclosing trawl fishing device, including a fishing net 1, a plurality of balancing weights 2 are disposed at the bottom of the fishing net 1, a plurality of first floats 3 are disposed at the top of the fishing net 1, after the fishing net 1 is scattered into water, the first floats 3 float on the water surface, and the balancing weights 2 sink, so that the fishing net 1 can be smoothly opened to enclose and catch fish groups, a first net-collecting rope 4 connected in series with all the first floats 3 is disposed at the top of the fishing net 1, two ends of the first net-collecting rope 4 respectively extend out of two ends of the fishing net 1, a second net-collecting rope 5 is disposed in the middle area of the fishing net 1, and two ends of the second net-collecting rope 5 respectively extend out of two ends of the fishing net 1.

When receiving net to fishing net 1, the net rope 5 is received to the first net rope 4 of receiving and the second of pulling both ends simultaneously, owing to compare prior art and increased a second and receive net rope 5, the balancing weight 2 that the net rope 5 can effectively drive fishing net 1 bottom is received to the pulling second when receiving the net removes thereupon, avoids balancing weight 2 to be absorbed in silt in to make the shoal of fish receive the frightening and walk from the lower extreme when avoiding pulling silt, guarantee the capture rate.

It should be noted that the second net retracting rope 5 and the first net retracting rope 4 are integrally formed with the fishing net 1 in a weaving mode, so that the structure is firm and the stability is good. The length of the fishing net 1 can be designed according to the specific application range, and the fishing net is suitable for fish school enclosure catching in large and small lakes and has a wide application range.

As a preferred embodiment, a plurality of sectional ropes 6 are arranged on the fishing net 1, one ends of the sectional ropes 6 are connected with the second net collecting rope 5, the sectional ropes 6 are preferably vertically connected with the second net collecting rope 5, the other ends of the sectional ropes 6 are connected with the corresponding first floats 3, the sectional ropes 6 can be used as net collecting nodes, the surrounding range of the fishing net 1 is reduced when a part of the sectional ropes 6 are collected, the sectional net collecting is realized, the net collecting range is convenient to control, the sectional net collecting can be carried out according to the principle of how many fishes to be collected when the net is collected, and other fish schools can be used for enclosure, so that a certain ecological protection effect is achieved.

As a preferred embodiment, 1 top of fishing net is provided with fish cage 7, and fish cage 7 is used for accomodating the shoal of fish, and fish cage 7 includes netted cage 7.1 of being connected with fishing net 1, and netted cage 7.1 inner wall is provided with strut 7.2, and strut 7.2 is used for opening netted cage 7.1, and netted cage 7.1 has the opening with the position of being connected of fishing net 1, is provided with in netted cage 7.1 to be connected the infundibulate section of thick bamboo 7.3 of opening part, the big one end of infundibulate section of thick bamboo 7.3 opening is connected at fishing net 1 opening part, can enclose the shoal of fish in fish cage 7 when receiving the net and catching, then catch through fish cage 7, can avoid fish be injured, guarantee the bright fish activity degree of fish.

It should be noted that the mesh cage 7.1 is generally square, and may be cylindrical in other embodiments, and it should not be limited herein, the support frame 7.2 plays a role of opening the mesh cage 7.1, so that the inside of the mesh cage 7.1 has a containing space, so as to facilitate driving the fish school into the mesh cage 7.1, the support frame 7.2 may be a plurality of steel wires which are enclosed to form a square or a circle, and may also be a spiral steel wire, the funnel-shaped mesh cylinder 7.3 is designed to make the fish school only go in, so that the fish school can not go out after entering the mesh cage 7.1 through the funnel-shaped mesh cylinder 7.3, thereby facilitating the subsequent centralized fishing.

As a preferred embodiment, a plurality of second floats 8 are arranged on the top surface of the net-shaped cage 7.1, so that the upper surface of the net-shaped cage 7.1 can float on the water surface, the fishing is convenient, and the second floats 8 only need to be arranged along the edge of the top surface of the net-shaped cage 7.1.

As a preferred embodiment, the weight member 2 is a lead block, which is commonly used.

As a preferred embodiment, still include two hoists 9, hoist 9 is used for receiving the rope or unreeling the rope with the first net rope 4 of receiving and the second net rope 5 of receiving that is located the same head, and hoist 9 includes host computer 9.1, is provided with two rolling axle 9.2 that can just reverse rotation on the host computer 9.1, and first net rope 4 of receiving and the second net rope 5 of receiving twine respectively on corresponding rolling axle 9.2, replaces the manpower to draw the net through hoist 9 during net is received, and the high manpower that uses manpower sparingly of degree of automation.

It should be noted that the winding shaft 9.2 in the winding machine 9 may be driven by a gear transmission or a belt transmission, the power source may be a stepping motor or a servo motor, and the stepping motor is an open-loop control element that converts an electrical pulse signal into an angular displacement or a linear displacement. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled. The servo motor can control the speed and position accuracy accurately, and can convert the voltage signal into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque. The stepping motor or the servo motor can achieve the functions of forward and reverse rotation and speed regulation, and can be used for winding or unwinding the first net winding rope 4 and the second net winding rope 5 under the low-speed condition, so that the use requirement is met.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a motor-driven trawl fishing device that encloses, includes fishing net (1), fishing net (1) bottom is provided with a plurality of balancing weights (2), fishing net (1) top is provided with a plurality of first cursories (3), fishing net (1) top is provided with the first net rope (4) of receiving of all first cursories (3) of establishing ties, fishing net (1) both ends are extended respectively to first net rope (4) both ends of receiving, its characterized in that, fishing net (1) middle zone is provided with second and receives net rope (5), fishing net (1) both ends are extended respectively to second receipts net rope (5) both ends.

2. The mobile trawl fishing device according to claim 1, wherein the fishing net (1) is provided with a plurality of sectional ropes (6), one end of each sectional rope (6) is connected with the second net retracting rope (5), and the other end of each sectional rope (6) is connected with the corresponding first buoy (3).

3. A mobile trawl fishing device according to claim 1 or 2, wherein a fish cage (7) is arranged on top of the fishing net (1), said fish cage (7) being used for receiving fish shoal.

4. The mobile trawl fishing device according to claim 3, wherein the fish cage (7) comprises a net cage (7.1) connected with the fishing net (1), a support frame (7.2) is arranged on the inner wall of the net cage (7.1), the support frame (7.2) is used for opening the net cage (7.1), an opening is arranged at the connecting part of the net cage (7.1) and the fishing net (1), a funnel-shaped net cylinder (7.3) is arranged in the net cage (7.1), and one end of the funnel-shaped net cylinder (7.3) with a large opening is connected at the opening of the fishing net (1).

5. A mobile trawl fishing device according to claim 4, wherein the top surface of the mesh cage (7.1) is provided with a number of second floats (8).

6. A mobile trawl fishing device according to claim 1, wherein the weight block (2) is a lead block.

7. A mobile trawl fishing gear according to claim 1, further comprising two winches (9), wherein the winches (9) are used for taking in or putting out the first net-collecting rope (4) and the second net-collecting rope (5) at the same end.

8. A mobile trawl fishing device according to claim 7, wherein the winch (9) comprises a main body (9.1), two winding shafts (9.2) capable of rotating forward and backward are arranged on the main body (9.1), and the first net winding rope (4) and the second net winding rope (5) are respectively wound on the corresponding winding shafts (9.2).